The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 15, 2020
Filed:
Mar. 01, 2019
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Evgeny Smirnov, Aachen, DE;
Robert Ukropec, Herzogenrath, DE;
Dirk Roemer, Cologne, DE;
Maria Armiento, Aachen, DE;
Jan Harmsen, Simpelveld, NL;
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/08 (2006.01); F01N 3/20 (2006.01); F01N 9/00 (2006.01); F01N 11/00 (2006.01); F02D 41/02 (2006.01);
U.S. Cl.
CPC ...
F01N 3/0885 (2013.01); F01N 3/2066 (2013.01); F01N 9/00 (2013.01); F01N 11/007 (2013.01); F02D 41/028 (2013.01); F01N 2270/00 (2013.01); F01N 2430/06 (2013.01); F01N 2560/025 (2013.01); F01N 2570/14 (2013.01); F01N 2610/146 (2013.01); F01N 2900/1402 (2013.01); F01N 2900/1602 (2013.01); F02D 2200/0802 (2013.01);
Abstract
Methods and systems are provided for an exhaust gas arrangement. In one example, a system comprises an air supply device arranged between a first LNT and a second LNT. The air supply device positioned to adjust an air/fuel ratio and a temperature of exhaust gas flowing to the second LNT and devices downstream thereof.